Description: With the new C standard (c11), it fails if
 "extern inline" is defined in a header file included in multiple
 source files. Add "__attribute__ ((gnu_inline))" to tell it to
 use the old interpretation of inline.
Author: Ruben Undheim <ruben.undheim@gmail.com>

Index: gnuais/src/filter-i386.h
===================================================================
--- gnuais.orig/src/filter-i386.h	2015-12-24 09:50:53.165709440 +0100
+++ gnuais/src/filter-i386.h	2015-12-24 09:51:17.681468317 +0100
@@ -32,7 +32,7 @@
 
 #include <stdio.h>
 
-extern inline float __mac_g(const float *a, const float *b,
+__attribute__ ((gnu_inline)) extern inline float __mac_g(const float *a, const float *b,
 			    unsigned int size)
 {
 	float sum = 0;
@@ -43,7 +43,7 @@
 	return sum;
 }
 
-extern inline float __mac_c(const float *a, const float *b,
+__attribute__ ((gnu_inline)) extern inline float __mac_c(const float *a, const float *b,
 			    unsigned int size)
 {
 	float f;